linux-kernel - Re: [PATCH v2] Re: WAN: new PPP code for generic HDLC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 23 Apr 2008 15:49:53 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	khc@...waw.pl
Cc:	jeff@...zik.org, paulkf@...rogate.com, jchapman@...alix.com,
	alan@...rguk.ukuu.org.uk, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2] Re: WAN: new PPP code for generic HDLC

From: Krzysztof Halasa <khc@...waw.pl>
Date: Wed, 23 Apr 2008 19:02:22 +0200

> netdev_priv() was introduced at some point in time to allow
> alloc_netdev() to optionally allocate additional memory for internal
> use by the driver. It had nothing to do with dev->priv except "priv"
> name. The drivers don't use it passing size 0.

No, it was added as an optimization since the private
area was allocated together with the struct netdev, and
thus at a constant offset computable a compile time.

It was never meant to provide a facility to have two private areas
associated with a device, but unfortunately some broken stuff decided
to use it that way.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/